so we need clearer -- maybe mike's book because i haven't read it yet, but -- >> but your -- but your next book is gonna be letters to your granddaughter. >> yeah, my next book is gonna be sophie's planet. and sophie is helping me. i'm writing her letters and making sure they're understandable to her. >> and sophie is a teenager? >> sophie is now 14. she's my oldest grandchild. and i'm gonna try to make this understandable, more understandable. >> i'm sure she's smart. let's have our next question. yes, sir, welcome. >> yeah, hi. i'm nils michael langenborg from sustainable adam smith. congratulations from the award. so adam smith wrote about -- he said consumption is the sole end and purpose of all production. so if consumption is really the issue here, how do we get all -- how do we get everyday americans to modify their consumption, and how do we get policy makers like governor brown who's sitting in the room here, spoiler alert, and what is his position on this, i would be more than happy to hear. so how do we get people to be -- to change their behavior? and, secondarily, how we